What is the Remainder if 2^2020+2020 is divided by 2^1005+2^502+1?
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Correct option is C)
7103
=7102(7)
=7(49)51
=7(50−1)51
=7(5051−51(50)50+(51)(25)(50)49...+(51)(50)−1)
=7(50k−1)
=350k−7
=350k+25−25−7
=(350k−25)+25−7
=(350k−25)+18 ...(a)
When 'a' is divided by 25 it leaves a remainder 18.
Hence, when 7103 is divided by 25, it leaves a remainder 18.
Step-by-step explanation:
thinks
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